Mariah Carey may have never said "I do" to James Packer -- but he's paying her for their split anyway.

A source tells ET that the 47-year-old singer received a "multimillion-dollar settlement" from Packer after their breakup. The two, who had announced their engagement in January 2016, went their separate ways in October 2016 after a blowout fight in Greece a month earlier.

Last November, a source told ET that Carey was seeking a $50 million "inconvenience fee" from her billionaire ex-fiance post-split -- a number that the source said was discussed in prenup negotiations when they were still planning on tying the knot.

NEW YORK, NY - MAY 14: Musician Mariah Carey (L) and James Packer attend the 27th Annual GLAAD Media Awards in New York on May 14, 2016 in New York City. (Photo by Dimitrios Kambouris/Getty Images for GLAAD)

LOS ANGELES, CA - MAY 21: Mariah Carey and James Packer are seen on May 21, 2016 in Los Angeles, California. (Photo by SMXRF/Star Max/GC Images)

LOS ANGELES, CA - MAY 21: Mariah Carey and James Packer are seen on May 21, 2016 in Los Angeles, California. (Photo by Bauer-Griffin/GC Images)

NEW YORK, NY - MAY 14: (L-R) Director Lee Daniels, Mariah Carey, and James Packer attend the 27th Annual GLAAD Media Awards in New York on May 14, 2016 in New York City. (Photo by Dimitrios Kambouris/Getty Images for GLAAD)

LOS ANGELES, CA - JANUARY 28: James Packer, Mariah Carey and Member of the Australian House of Representatives Julie Bishop attend the G'Day USA 2016 Black Tie Gala at Vibiana on January 28, 2016 in Los Angeles, California. (Photo by John Sciulli/Getty Images for G'day USA Gala)

LOS ANGELES, CA - JANUARY 28: James Packer and Mariah Carey arrives at the 2016 G'Day Los Angeles Gala at Vibiana on January 28, 2016 in Los Angeles, California. (Photo by Steve Granitz/WireImage)

MACAU - OCTOBER 27: (EUROPE AND AUSTRALASIA OUT) (L-R) American singer Mariah Carey and Australian businessman James Packer arrive on the red carpet for the opening of Studio City casino in Macau, China. (Photo by Jonathan Ng/Newspix/Getty Images)

James Packer, co-chairman of Melco Crown Entertainment Ltd., right, and singer Mariah Carey stand for photographs at the red carpet event prior to the opening ceremony of Studio City casino resort, developed by Melco Crown Entertainment Ltd., in Macau, China, on Tuesday, Oct. 27, 2015. Studio City is the latest test of the former Portuguese colony's ability to attract visitors wanting to play on more than gaming tables and slot machines. Photographer: Justin Chin/Bloomberg via Getty Images

NEW YORK, NY - SEPTEMBER 21: Mariah Carey and James Packer attend 'The Intern' New York Premiere at Ziegfeld Theater on September 21, 2015 in New York City. (Photo by Jamie McCarthy/WireImage)

NEW YORK, NY - SEPTEMBER 21: Mariah Carey and James Packer attend 'The Intern' New York Premiere at Ziegfeld Theater on September 21, 2015 in New York City. (Photo by Dimitrios Kambouris/Getty Images)

PORTOFINO, ITALY - JUNE 26: Mariah Carey And James Packer are seen on June 26, 2015 in Portofino, . (Photo by Photopix/GC Images)

PORTOFINO, ITALY - JUNE 26: Mariah Carey and Kerry Stokes are seen on June 26, 2015 in Portofino, . (Photo by Photopix/GC Images)

PORTOFINO, ITALY - JUNE 26: Mariah Carey, James Packer and Kerry Stokes are seen on June 26, 2015 in Portofino, . (Photo by Photopix/GC Images)

PORTOFINO, ITALY - JUNE 26: Mariah Carey And James Packer are seen on June 26, 2015 in Portofino, . (Photo by Photopix/GC Images)

PORTOFINO, ITALY - JUNE 26: Mariah Carey And James Packer are seen on June 26, 2015 in Portofino, . (Photo by Photopix/GC Images)

PORTOFINO, ITALY - JUNE 26: Mariah Carey And James Packer are seen on June 26, 2015 in Portofino, . (Photo by Photopix/GC Images)

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"She still has the ring and wears it now on her middle finger," the source reveals, adding that the former couple hasn't been on speaking terms for months. "They 100 percent have not spoken for a year, maybe even longer than that."

Carey, meanwhile, has been focusing on her career and her health. A third source tells ET that she's lost 25 pounds since undergoing weight loss surgery this fall. The GRAMMY winner is also expected to begin her All I Want for Christmas Is You Tour on Dec. 2, after postponing her first couple of concert dates to recover from a respiratory infection.